Water cooler bottle cover



FIG. 1 is a front view of a water cooler bottle cover showing my new design;

FIG. 2 is a back view thereof;

FIG. 3 is a top view thereof; and,

FIG. 4 is an alternate front view thereof.

The broken lines showing of the water cooler and cups in FIG. 4, is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a water cooler bottle cover, as shown and described. 